Relations and Functions

Bihar Board Class 12 · Mathematics · 39 past questions

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1. Q3 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B2025 Set A2025 Set E2024 Set J2024 Set D2019 Set F2016

   $f : A \to B$ will be an onto function if

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2. Q5 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2024 Set J2019 Set F

   If the operation $*$ is defined as $a * b = 2a + b$, then $(2 * 3) * 4$ is

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3. Q29 2019 Set F

   If $f(x_1)=f(x_2)\Rightarrow x_1=x_2\ \forall\ x_1,x_2\in A$, then what type of a function is $f:A\to B$?

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4. Q30 2019 Set F

   In the set of all straight lines in a plane, the relation R "to be Perpendicular" is -

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